body {
  margin: 0;
  font-family: system-ui, sans-serif;
}

.layout {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 250px;
  background: #111;
  color: white;
  padding: 1rem;
  overflow-y: auto;   /* 👈 scroll when menu is long */
}

.sidebar a {
  color: #ddd;
  text-decoration: none;
  display: block;
  padding: 0.4rem 0;
}

.sidebar a:hover {
  color: white;
}

.content {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}